package com.icss.day03;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

public class Test19 {
    public static void main(String[] args) {
//        System.out.println(1 / 0);

//        H a = new H();
//        I a2 = (I) a;
//        System.out.println(a2);

//        System.out.println(Integer.parseInt("aa1010"));

//        System.out.println(args[-1]);

        Object o = null;
        System.out.println(o.toString());


            // 编译器提示我们去处理的异常
        try {
            FileInputStream fis = new FileInputStream("");
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }


    }
}
class H {

}
class I extends H {

}